2112512106 has 64 divisors (see below), whose sum is σ = 4610169216. Its totient is φ = 642816000.

The previous prime is 2112512029. The next prime is 2112512113. The reversal of 2112512106 is 6012152112.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451881 + ... + 456531.

It is an arithmetic number, because the mean of its divisors is an integer number (72033894).

Almost surely, 2^2112512106 is an apocalyptic number.

2112512106 is an abundant number, since it is smaller than the sum of its proper divisors (2497657110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112512106 is a wasteful number, since it uses less digits than its factorization.

2112512106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4807.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 2112512106 is about 45962.0724728553. The cubic root of 2112512106 is about 1283.1174229599.

Adding to 2112512106 its reverse (6012152112), we get a palindrome (8124664218).

The spelling of 2112512106 in words is "two billion, one hundred twelve million, five hundred twelve thousand, one hundred six".